Exposure
ID
GRAVI.2024-07-01T09:34:25.567_1
Header ID
GRAVI.2024-07-01T09:34:25.567
Date updated
2024-07-01 09:40:35 UTC+0000
Release date
2025-07-01 09:40:35 UTC+0000
UTC Start
2024-07-01 09:34:25.567
UTC End
2024-07-01 09:35:45.567
MJD Start
60492.39890702
MJD End
60492.3998329459
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0149275
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.385
Observation
ID
59824
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44380
Name
alpha_Equ
RA
318.954056
DEC
5.24733
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 65.7790 65.4100 117.6000 117.7000
A0-J2 105.7070 105.2080 89.4000 89.3000
A0-K0 118.1080 117.7980 68.8620 68.7680
G1-J2 56.9410 56.8720 56.3000 56.2000
G1-K0 89.5630 89.6120 35.3680 35.3760
J2-K0 41.7010 41.7190 6.1310 6.3230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60492.39890702
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.954056
DEC 5.24733
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 96.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 65.779
HIERARCH ESO ISS PBL12 END 65.41
HIERARCH ESO ISS PBLA12 START 117.6
HIERARCH ESO ISS PBLA12 END 117.7
HIERARCH ESO ISS PBL13 START 105.707
HIERARCH ESO ISS PBL13 END 105.208
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.3
HIERARCH ESO ISS PBL14 START 118.108
HIERARCH ESO ISS PBL14 END 117.798
HIERARCH ESO ISS PBLA14 START 68.862
HIERARCH ESO ISS PBLA14 END 68.768
HIERARCH ESO ISS PBL23 START 56.941
HIERARCH ESO ISS PBL23 END 56.872
HIERARCH ESO ISS PBLA23 START 56.3
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 89.563
HIERARCH ESO ISS PBL24 END 89.612
HIERARCH ESO ISS PBLA24 START 35.368
HIERARCH ESO ISS PBLA24 END 35.376
HIERARCH ESO ISS PBL34 START 41.701
HIERARCH ESO ISS PBL34 END 41.719
HIERARCH ESO ISS PBLA34 START 6.131
HIERARCH ESO ISS PBLA34 END 6.323
HIERARCH ESO ISS AMBI TAU0 START 0.013765
HIERARCH ESO ISS AMBI TAU0 END 0.01609
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.38